On Ebay, item 170783544929 in our
mil_electronic_surplus
account we have listed among others one of the best 7pin dual triodes,the 3A5 RCA. (or DCC90)
These small nickel plate dual triodes have directly heated cathodes (dht).RCA logos are red, factory boxes are included.
2000 pieces availabe, also sold in quantities of 25 pcs.